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Estimated copy number of Bacillus anthracis plasmids pXO1 and pXO2 using digital PCR
Timothy Straub1, Cheryl Baird, Rachel A Bartholomew
1Chemical and Biological Signature Sciences Group, National Security Directorate, Pacific Northwest National Laboratory, Richland, WA 99354, United States. Timothy.Straub@pnnl.gov
Journal of Microbiological Methods
|November 13, 2012
Abstract:
We evaluated digital PCR (dPCR) to directly enumerate plasmid and chromosome copies in three strains of Bacillus anthracis. Copy number estimates based on conventional quantitative PCR (qPCR) highlighted the variability of using qPCR to measure copy number whereas estimates based on direct sequencing are comparable to dPCR.

